Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual é o Número de Constituintes Total?
 ###Tabelas: CREATE TABLE assembly_segments (assembly_segments_id AUTO_INCREMENT PRIMARY KEY, Constituency number VARCHAR, Name VARCHAR, Reserved for ( SC / ST /None) VARCHAR, District VARCHAR, Number of electorates (2003) INT) CREATE TABLE appointed_delegates_to_various_international_pageants (appointed_delegates_to_various_international_pageants_id AUTO_INCREMENT PRIMARY KEY, Year INT, Delegate VARCHAR, Hometown VARCHAR, Pageant VARCHAR, Result VARCHAR, Other awards VARCHAR) CREATE TABLE twenty20_internationals (twenty20_internationals_id AUTO_INCREMENT PRIMARY KEY, Player VARCHAR, Wkts INT, Runs INT, Econ INT, Ovrs INT) CREATE TABLE 2010_lightweight_manx_grand_prix_practice_times__&__leaderboard (2010_lightweight_manx_grand_prix_practice_times__&__leaderboard_id AUTO_INCREMENT PRIMARY KEY, Rank INT, Rider VARCHAR, Sat 21 Aug VARCHAR, Mon 23 Aug VARCHAR, Tues 24 Aug VARCHAR, Wed 25 Aug VARCHAR, Thurs 26 Aug VARCHAR, Fri 27 Aug VARCHAR, Sat 29 Aug VARCHAR) CREATE TABLE main_event_winners (main_event_winners_id AUTO_INCREMENT PRIMARY KEY, Year INT, Winner VARCHAR, Winning Hand VARCHAR, Prize Money VARCHAR, Entrants INT, Runner-Up VARCHAR, Losing Hand VARCHAR)  
SELECT Constituency number FROM assembly_segments WHERE Name = total: